http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1985
Summary: A bug in calculating the "Avg. packet size" shown in
Wireshark->Summary: Traffic: Avg. packet size
Product: Wireshark
Version: 0.99.6
Platform: All
OS/Version: All
Status: NEW
Severity: Trivial
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: smhuang@xxxxxxxxxxxxxxxxxxxx
Build Information:
Version 0.99.6a (SVN Rev 22276)
Copyright 1998-2007 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled with GTK+ 2.10.12, with GLib 2.12.12, with WinPcap (version unknown),
with libz 1.2.3, with libpcre 6.4, with Net-SNMP 5.4, with ADNS, with Lua 5.1,
with GnuTLS 1.6.1, with Gcrypt 1.2.3, with MIT Kerberos, with PortAudio
PortAudio V19-devel, with AirPcap.
Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.0.1
(packet.dll version 4.0.0.901), based on libpcap version 0.9.5, without
AirPcap.
Built using Microsoft Visual C++ 6.0 build 8804
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
There is a bug in calculating the "Avg. packet size" shown in
Wireshark->Summary: Traffic: Avg. packet size. There are unnecessary
parentheses that make the average packets size calculated is an integer instead
of a float.
A patch to fix this bug is attached below.
--- gtk/summary_dlg.c 2007-11-14 13:24:09.000000000 +0800
+++ gtk/summary_dlg.c 2007-11-14 13:23:53.000000000 +0800
@@ -307,7 +307,7 @@
if (summary.packet_count > 0){
g_snprintf(string_buff, SUM_STR_MAX, "%.3f bytes",
/* MSVC cannot convert from unsigned __int64 to float, so first conve
rt to signed __int64 */
- (float) (gint64) (summary.bytes/summary.packet_count) );
+ (float) (gint64) summary.bytes/summary.packet_count );
} else {
strcpy(string_buff, "");
}
--
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